Home / 50,872.90-70,204.76-28,212.16

Finding the Fourth Proportional to 50,872.90, 70,204.76 and 28,212.16

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Solution

The fourth proportional to 50,872.90, 70,204.76 and 28,212.16 is: 38,932.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,872.90 : 70,204.76 = 28,212.16 : x
  2. Step 2: Convert to fraction form
    50,872.90/70,204.76 = 28,212.16/x
  3. Step 3: Cross multiply
    50,872.90x = 70,204.76 × 28,212.16
  4. Step 4: Simplify right side
    50,872.90x = 1,980,627,921.88
  5. Step 5: Solve for x
    x = 1,980,627,921.88/50,872.90
  6. Step 6: Final answer
    x = 38,932.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.